Home / 10,622.24-14,643.35-7,031.21

Finding the Fourth Proportional to 10,622.24, 14,643.35 and 7,031.21

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Solution

The fourth proportional to 10,622.24, 14,643.35 and 7,031.21 is: 9,692.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622.24 : 14,643.35 = 7,031.21 : x
  2. Step 2: Convert to fraction form
    10,622.24/14,643.35 = 7,031.21/x
  3. Step 3: Cross multiply
    10,622.24x = 14,643.35 × 7,031.21
  4. Step 4: Simplify right side
    10,622.24x = 102,960,386.95
  5. Step 5: Solve for x
    x = 102,960,386.95/10,622.24
  6. Step 6: Final answer
    x = 9,692.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.